STEP 3/4
Put 1 tablespoon vinegar, 1/2 tablespoon sugar, and 1/4 tablespoon salt in a heat-resistant container and completely dissolve it in the microwave for about 20 seconds. Add to warm rice and mix evenly.
STEP 4/4
Cover the seaweed feet with plastic wrap, put the seaweed on top of it, turn it upside down so that the seaweed faces upward, and put crab meat, avocado, and cresson on top of the seaweed. Roll the wrap to complete the roll.